Baltimore Orioles vs Seattle Mariners Preview
Today's Starting Matchup
Today's starting pitching matchup features Baltimore Orioles's Shane Baz (4-6, 4.06 ERA) against Seattle Mariners's Bryan Woo (5-5, 4.28 ERA).
Both starters carry similar ERAs, setting the stage for a potential pitchers' duel. WHIP: Shane Baz 1.39, Bryan Woo 1.04.
Advanced metrics: Shane Baz — FIP 4.01, K% 18.9%, 82.0 IP / Bryan Woo — FIP 3.26, K% 24.0%, 82.0 IP
Team Season Comparison
2026 season record: Baltimore Orioles 35-40 (.467), Seattle Mariners 38-37 (.507).
Recent form: Baltimore Orioles on a 1-game win streak, Seattle Mariners on a 1-game losing streak.
Based on starting pitching, Baltimore Orioles holds the edge.
Bullpen Analysis
Baltimore Orioles bullpen: 13 relievers on the active roster. Key arms: Albert Suárez 4.40 ERA, 19K in 30.2IP, Andrew Kittredge 6.06 ERA, 15K in 16.1IP, Brandon Young 3.18 ERA, 44K in 62.1IP.
Seattle Mariners bullpen: 13 relievers on the active roster. Key arms: Alex Hoppe 5.57 ERA, 23K in 21.0IP, Andrés Muñoz (Closer) 5.68 ERA, 38K in 25.1IP, Bryan Woo 4.28 ERA, 79K in 82.0IP.
Win Probability
Projected win probability: Baltimore Orioles 49% vs Seattle Mariners 51%
Factors: Baltimore Orioles's starter owns the lower ERA, Seattle Mariners's home-field advantage. Of course, baseball's inherent randomness means actual results may differ.
Key Tactical Points
Workload comparison: Shane Baz averages 5.9 IP per start vs. Bryan Woo at 5.9 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.